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Finding the Fourth Proportional to 342,893.10, 514,339.65 and 106,233.90

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Solution

The fourth proportional to 342,893.10, 514,339.65 and 106,233.90 is: 159,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,893.10 : 514,339.65 = 106,233.90 : x
  2. Step 2: Convert to fraction form
    342,893.10/514,339.65 = 106,233.90/x
  3. Step 3: Cross multiply
    342,893.10x = 514,339.65 × 106,233.90
  4. Step 4: Simplify right side
    342,893.10x = 54,640,306,944.14
  5. Step 5: Solve for x
    x = 54,640,306,944.14/342,893.10
  6. Step 6: Final answer
    x = 159,350.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.